Assumption Illinois Climate Data

Monthly Average Climate Data for Assumption Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.9 °C2.2 °C57.4 mm
February-5.2 °C4.9 °C51.56 mm
March-0.1 °C11.1 °C70.87 mm
April5.8 °C18.3 °C111 mm
May12 °C23.9 °C120.4 mm
June16.9 °C28.6 °C126.49 mm
July18.5 °C30.3 °C91.69 mm
August17.3 °C29.6 °C75.18 mm
September12.8 °C26.8 °C84.33 mm
October6.6 °C20 °C84.84 mm
November0.7 °C11.4 °C84.84 mm
December-3.9 °C4.8 °C62.48 mm
Annual6.2 °C17.7 °C1021.08 mm

Climate Data for Assumption Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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